Test your internet speed on any device with Speedtest by Ookla, available for free on desktop and mobile apps.

To run a Speedtest, make sure you are connected to a network (mobile or broadband), hit the “GO” button, and you’ll see your download and upload speeds, along with latency (ping) and …

Learn why the internet speeds you experience may differ from what your ISP delivers. Understand how your networking equipment and placement can affect your connection, and discover how …

Create an Account Join the millions of other people helping us to accelerate the Internet! By creating an account, you'll be able to access your historical results anywhere and manage …

From the initial test screen, click or tap on the “GO” button and wait a few seconds until your download and upload speeds have been analyzed. To better understand the methodology …

It's never been faster or easier to take a Speedtest. Download the free Speedtest desktop app for Windows to check your internet speeds at the touch of a button.

What speeds do I need to transfer large files? # You can transfer large files at any speed; it’s more a question of how long that transfer will take. Here are a couple of tables to help you out:

Find out which countries have the fastest internet speeds in the world. View global monthly comparisons of fixed and mobile internet speeds.

Our mission at Speedtest by Ookla ® is to make the internet faster by providing data and insights on real-world internet speeds. With billions of tests worldwide, we meet you where you are …

Speedtest Global Index Ranking mobile and fixed broadband speeds from around the world on a monthly basis.